mirror of https://github.com/milvus-io/milvus.git
48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package trace
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import (
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"fmt"
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"runtime"
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)
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const (
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numFuncsInStack = 10
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frameNumToSkip = 2
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)
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// StackTraceMsg returns the stack information, which numFuncs means how many functions do you want to show in the stack
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// information.
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func StackTraceMsg(numFuncs uint) string {
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pc := make([]uintptr, numFuncs)
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n := runtime.Callers(frameNumToSkip, pc)
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frames := runtime.CallersFrames(pc[:n])
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ret := ""
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for {
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frame, more := frames.Next()
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ret += fmt.Sprintf("%s:%d %s\n", frame.File, frame.Line, frame.Function)
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if !more {
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break
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}
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}
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return ret
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}
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// StackTrace returns the stack trace information.
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func StackTrace() string {
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return StackTraceMsg(numFuncsInStack)
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}
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